<template>
  <div>
    <!--面包屑导航区-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图区域-->
    <el-card >
      <!--搜索与添加区域-->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容"  v-model="queryInfo.query" clearable
                    @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="dialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!--用户列表区域-->
      <el-table :data="userList" border stripe>
        <el-table-column type="index" label="id"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template  slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="updateDialogVisible(scope.row.id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
            <el-tooltip content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
            </el-tooltip>

          </template>
        </el-table-column>
      </el-table>
      <!--分页区域-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>
    <!--添加用户对话框-->
    <el-dialog
      title="添加用户"
      :visible.sync="dialogVisible"
      width="30%"
      @close="addDialogClosed">
      <!--内容主体区域-->
      <el-form :model="addForm" :rules="addFromRules"
         ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!--底部区域-->
      <span slot="footer" class="dialog-footer">
    <el-button @click="dialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
    </el-dialog>
    <!--修改用户对话框-->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="30%"
      @close="editDialogClosed">
      <!--内容主体区域-->
      <el-form :model="editForm" :rules="editFormRules"
               ref="editFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="editForm.username"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!--底部区域-->
      <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUser">确 定</el-button>
  </span>
    </el-dialog>
    <!-- 分配角色 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClose"
      >
      <div>
        <p>当前用户名称: {{userInfo.username}}</p>
        <p>当前用户角色: {{userInfo.role_name}}</p>
        <p>分配角色:
          <el-select v-model="selectedRoleID" placeholder="请选择">
            <el-option
              v-for="item in roleList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo()">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 获取用户列表的参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 6
      },
      userList: [],
      total: 0,
      // 添加对话框
      dialogVisible: false,
      // 修改对话框
      editDialogVisible: false,
      // 分配角色对话框
      setRoleDialogVisible: false,
      // 角色列表
      roleList: [],
      // 已选中的角色id值
      selectedRoleID: '',
      // 用户信息
      userInfo: {},
      // 添加表单对象
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 添加表单验证对象
      addFromRules: {
        username: [{
          required: true, message: '请输入用户名', trigger: 'blur'
        },
        {
          min: 3,
          max: 10,
          message: '用户名长度在3-10个字符之间',
          trigger: 'blur'
        }],
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入登录密码', trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入登录密码', trigger: 'blur' }
        ]
      },
      // 修改用户信息表单对象
      editForm: {
        username: '',
        email: '',
        mobile: ''
      },
      // 添加表单验证对象
      editFormRules: {
        username: [{
          required: true, message: '请输入用户名', trigger: 'blur'
        },
        {
          min: 3,
          max: 10,
          message: '用户名长度在3-10个字符之间',
          trigger: 'blur'
        }],
        email: [
          { required: true, message: '请输入登录邮箱', trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' }
        ]
      }
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$https.get('users', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      this.userList = res.data.users
      this.total = res.data.total
    },
    // 监听pagesize 改变的事件
    handleSizeChange(newSize) {
      console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听pagenum 改变的事件
    handleCurrentChange(newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch 开关状态的改变
    async userStateChanged(userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$https.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
    },
    // 监听添加对话框关闭
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    // 监听修改对话框关闭
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    // 添加新用户
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        console.log(valid)
        if (!valid) return
        // 可以发起添加用户的网络请求
        const { data: res } = await this.$https.post('users', this.addForm)
        console.log(res.meta.status)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        // 隐藏添加用户的对话框
        this.dialogVisible = false
        // 重新获取用户列表数据
        this.getUserList()
      })
    },
    async updateDialogVisible(id) {
      const { data: res } = await this.$https.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 打开分配角色弹窗
    async setRole(userInfo) {
      this.userInfo = userInfo
      // 在弹窗前获取所有角色列表
      const { data: res } = await this.$https.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败')
      }
      this.roleList = res.data
      this.setRoleDialogVisible = true
      console.log(userInfo)
    },
    // 设置角色
    async saveRoleInfo () {
      if (!this.selectedRoleID) {
        return this.$message.error('请选择要分配的角色')
      }
      const { data: res } = await this.$https.put(`users/${this.userInfo.id}/role`, {
        rid: this.selectedRoleID
      })
      if (res.meta.status !== 200) {
        return this.$message.err('设置角色失败')
      }
      this.$message.success('设置角色成功')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    // 关闭弹窗
    setRoleDialogClose () {
      this.selectedRoleID = ''
      this.userInfo = {}
    },
    // 修改用户信息接口
    editUser() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        // 可以发起修改用户信息的请求
        const { data: res } = await this.$https.put('users/', +this.editForm.id,
          this.editForm)
        if (res.meta.status !== 200) {
          return this.$message('更新用户失败')
        }
        // 关闭对话框
        this.editDialogVisible = false
        // 刷新数据列表
        this.getUserList()
        // 提示修改成功
        this.$message.success('更新用户信息成功')
      })
    },
    // 删除用户信息接口
    async removeUserById (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      console.log(confirmResult)
      if (confirmResult !== confirm) {
        this.$message.info('已取消删除')
      }
      const { data: res } = await this.$https.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败')
      }
      this.$message.success('删除用户成功')
      this.getUserList()
    }
  }

}
</script>

<style scoped>

</style>
